PLT-4449: Update channel creation placeholders. (#5059)

webapp/components/new_channel_modal.jsx

@@ -272,7 +272,7 @@ export default class NewChannelModal extends React.Component {
                                         className='form-control no-resize'
                                         ref='channel_purpose'
                                         rows='4'
-                                        placeholder={Utils.localizeMessage('channel_modal.purpose', 'Purpose')}
+                                        placeholder={Utils.localizeMessage('channel_modal.purposeEx', 'E.g.: "A channel to file bugs and improvements"')}
                                         maxLength='250'
                                         value={this.props.channelData.purpose}
                                         onChange={this.handleChange}
@@ -309,7 +309,7 @@ export default class NewChannelModal extends React.Component {
                                         className='form-control no-resize'
                                         ref='channel_header'
                                         rows='4'
-                                        placeholder={Utils.localizeMessage('channel_modal.header', 'Header')}
+                                        placeholder={Utils.localizeMessage('channel_modal.headerEx', 'E.g.: "[Link Title](http://example.com)"')}
                                         maxLength='128'
                                         value={this.props.channelData.header}
                                         onChange={this.handleChange}

webapp/i18n/en.json

@@ -1093,6 +1093,7 @@
   "channel_modal.edit": "Edit",
   "channel_modal.group": "Group",
   "channel_modal.header": "Header",
+  "channel_modal.headerEx": "E.g.: \"[Link Title](http://example.com)\"",
   "channel_modal.headerHelp": "Set text that will appear in the header of the {term} beside the {term} name. For example, include frequently used links by typing [Link Title](http://example.com).",
   "channel_modal.modalTitle": "New ",
   "channel_modal.name": "Name",
@@ -1103,6 +1104,7 @@
   "channel_modal.publicChannel1": "Create a public channel",
   "channel_modal.publicChannel2": "Create a new public channel anyone can join. ",
   "channel_modal.purpose": "Purpose",
+  "channel_modal.purposeEx": "E.g.: \"A channel to file bugs and improvements\"",
   "channel_notifications.allActivity": "For all activity",
   "channel_notifications.allUnread": "For all unread messages",
   "channel_notifications.globalDefault": "Global default ({notifyLevel})",